F81867 Datasheet, PDF (165/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

0: GPIO72 is in input mode.
2
GPIO72_OE
R/W LRESET# 0
1: GPIO72 is in output mode.
0: GPIO71 is in input mode.
1
GPIO71_OE
R/W LRESET# 0
1: GPIO71 is in output mode.
0: GPIO70 is in input mode.
0
GPIO70_OE
R/W LRESET# 0
1: GPIO70 is in output mode.
F81867
GPIO7 Output Data Register ⎯ Index 81h (This byte could be also written by base address + 3)
Bit
Name
R/W Reset Default
Description
0: GPIO77 outputs 0 when in output mode.
7
GPIO77_VAL
R/W LRESET# 1
1: GPIO77 outputs 1 when in output mode.
0: GPIO76 outputs 0 when in output mode.
6
GPIO76_VAL
R/W LRESET# 1
1: GPIO76 outputs 1 when in output mode.
0: GPIO75 outputs 0 when in output mode.
5
GPIO75_VAL
R/W LRESET# 1
1: GPIO75 outputs 1 when in output mode.
0: GPIO74 outputs 0 when in output mode.
4
GPIO74_VAL
R/W LRESET# 1
1: GPIO74 outputs 1 when in output mode.
0: GPIO73 outputs 0 when in output mode.
3
GPIO73_VAL
R/W LRESET# 1
1: GPIO73 outputs 1 when in output mode.
0: GPIO72 outputs 0 when in output mode.
2
GPIO72_VAL
R/W LRESET# 1
1: GPIO72 outputs 1 when in output mode.
0: GPIO71 outputs 0 when in output mode.
1
GPIO71_VAL
R/W LRESET# 1
1: GPIO71 outputs 1 when in output mode.
0: GPIO70 outputs 0 when in output mode.
0
GPIO70_VAL
R/W LRESET# 1
1: GPIO70 outputs 1 when in output mode.
GPIO7 Pin Status Register ⎯ Index 82h (This byte could be also read by base address + 3)
Bit
Name
R/W Reset Default
Description
7
GPIO77_IN
R
-
- The pin status of GPIO77/STB#.
6
GPIO76_IN
R
-
- The pin status of GPIO76/AFD#.
5
GPIO75_IN
R
-
- The pin status of GPIO75/ERR#.
4
GPIO74_IN
R
-
- The pin status of GPIO74/INIT#.
3
GPIO73_IN
R
-
- The pin status of GPIO73/SLIN#.
2
GPIO72_IN
R
-
- The pin status of GPIO72/ACK#.
1
GPIO71_IN
R
-
- The pin status of GPIO71/BUSY.
0
GPIO70_IN
R
-
- The pin status of GPIO70/PE/FANCTRL3/PWM_DC3.
GPIO7 Drive Enable Register ⎯ Index 83h
Bit
Name
R/W Reset Default
Description
0: GPIO77 is open drain in output mode.
7 GPIO77_DRV_EN R/W LRESET# 0
1: GPIO77 is push pull in output mode.
0: GPIO76 is open drain in output mode.
6 GPIO76_DRV_EN R/W LRESET# 0
1: GPIO76 is push pull in output mode.
165
Dec, 2011
V0.12P